Daily Question 9.3
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This post was last edited by Oath-taking on 2011-9-3 08:15. 1. Please hide your replies; editing after posting is ineffective! Delete directly without hiding! 2. Hiding method: http://bbs.hcbbs.com/thread-492556-1-1.html 3. 5 points for correct answers; there is a reward for everyone who participates. Multiple-choice questions: 1. Sulfuric acid is corrosive; the container that cannot be used to hold dilute sulfuric acid is ( ). A. Teflon-lined container B. Iron barrel C. Glass container D. Polystyrene container 2. During the heating process of fire-resistant bricks, their normal color is ( ). A. Orange B. Red C. Yellow D. White B B
Reply to 1# A Shan: 1. B, 2. D
Reply 1# A She AD
Reply 1# A Shi b d
Reply 1# A Shi B B
Reply 1# A She DA
Reply 1# A Shan B,B
Reply 1# A Shan BA